cdc adverse reaction report

overall, the median onset of local reactions in the vaccine group was 0 (day of vaccination) to 2 days after either dose and lasted a median duration between 1 and 2 days. overall, the median onset of systemic adverse events in the vaccine group in general was 1 to 2 days after either dose and lasted a median duration of 1 day. lymphadenopathy occurred in the arm and neck region and was reported within 2 to 4 days after vaccination. the median onset of local reactions in the vaccine group was 0 (day of vaccination) to 2 days after either dose and lasted a median duration between 1 and 3 days.




overall, the median onset of systemic adverse events in the vaccine group in general was 1 to 3 days after either dose and lasted a median duration of 1 to 2 days. the median onset of local reactions in the vaccine group was 1 to 2 days after either dose and lasted a median duration between 1 and 2 days. overall, the median onset of systemic adverse events in the vaccine group in general was 1 to 4 days after either dose and lasted a median duration of 1 day. the number of participants who reported at least 1 serious adverse event was 1 in the vaccine group (limb fracture) and 1 in the placebo group (pancreatitis and abdominal pain).

vaers collects reports of possible adverse events that happen after vaccination. anyone can submit a report to vaersexternal icon, including patients, parents some people have no side effects. many people have reported side effects, such as headache, fatigue, and soreness at the injection site, that are generally vaers is a national vaccine safety surveillance program that helps to detect unusual or unexpected reporting patterns of adverse events for vaccines. vaers, .

the vaccine adverse event reporting system (vaers) is an early warning system that helps cdc and the food and drug administration (fda) monitor health problems the vaccine adverse event reporting system (vaers) database contains information on unverified reports of adverse events (illnesses, health problems and/or cdc researchers reviewed safety monitoring data from vaers and the v-safe after-vaccination health checker, and found 97% of reported reactions after, .

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